fix: improve file listing and path handling in Webdav storage

storage/webdav/webdav.go

@@ -129,9 +129,12 @@ func (w *Webdav) ListFiles(ctx context.Context, dirPath string) ([]storagetypes.
 
 		isDir := resp.Propstat.Prop.ResourceType.IsCollection()
 
+		filePath := strings.TrimPrefix(decodedHref, path.Join("/", strings.Trim(path.Dir(fullPath), "/")))
+		filePath = strings.TrimPrefix(filePath, "/")
+
 		fileInfo := storagetypes.FileInfo{
 			Name:    name,
-			Path:    strings.TrimPrefix(decodedHref, w.config.BasePath),
+			Path:    path.Join(dirPath, name),
 			Size:    resp.Propstat.Prop.GetContentLength,
 			IsDir:   isDir,
 			ModTime: modTime,